1. C.L. Robbins, Daylighting, Van Nostrand Reinhold, New York (1984).
2. P.J. Littlefair, Daylight availability for lighting controls, Proc. CIBSE National Lighting Conf. (1984) 215.
3. Light shelf performance in Madrid, Spain;Soler;Building and Environment,1997
4. D.R.G. Hunt, Availability of daylight, Building Research Establishment, Garston, England (1979).
5. Global and diffuse illuminance: estimation of monthly average hourly values;Soler;The International Journal of Lighting Research and Technology,1990